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Finding the Fourth Proportional to 67,285.60, 92,804.64 and 43,400.32

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Solution

The fourth proportional to 67,285.60, 92,804.64 and 43,400.32 is: 59,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.60 : 92,804.64 = 43,400.32 : x
  2. Step 2: Convert to fraction form
    67,285.60/92,804.64 = 43,400.32/x
  3. Step 3: Cross multiply
    67,285.60x = 92,804.64 × 43,400.32
  4. Step 4: Simplify right side
    67,285.60x = 4,027,751,073.48
  5. Step 5: Solve for x
    x = 4,027,751,073.48/67,285.60
  6. Step 6: Final answer
    x = 59,860.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.